Heat oven to 375
In a nonstick skillet, heat olive oil on medium heat and sauté sausage until brown, about 2 minutes per side
Transfer sausage to a casserole dish with lid and add corn, zucchini, red onion, red bell pepper, uncooked orzo, chicken stock, heavy cream, pepper jack cheese, butter and seasoning
Mix well to combine then cover casserole dish with tight fitting lid or foil and bake for 15 minutes
Uncover and bake for another 15 minutes on the top oven rack
After additional 15 minutes, remove and and mozzarella cheese on top
Bake for an additional 5-7 minutes at 425 or until cheese is melted
Broil for 1 minute on high if desired for a darker crust
Mix well, serve and enjoy!